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Explore Drill Powered, Cheap Ish and more!

Build a Cordless Drill Powered Go-Kart

Our Solar-Powered Tractor - Green Transportation

HOW TO: Make a $5 wind-powered phone charger for your bike

HOW TO: Make a $5 wind-powered phone charger for your bike | Inhabitat - Sustainable Design Innovation, Eco Architecture, Green Building

How to Build a Cartbike - this definitely has potential when the gas runs out and you are relying on your own power to get around.....